Function strncmp

payloads/libpayload/libc/string.c:111–122

* Compare two strings with fixed length. * * @param s1 The first string. * @param s2 The second string. * @param maxlen Return at most maxlen characters as length of the string. * @return A non-zero value if s1 and s2 differ, or zero if s1 equals s2. */

 * @return A non-zero value if s1 and s2 differ, or zero if s1 equals s2.
 */
int strncmp(const char *s1, const char *s2, size_t maxlen)
{
	int res = 0;

	for (size_t i = 0; i < maxlen; i++) {
		res = s1[i] - s2[i];
		if (res || (s1[i] == '\0'))
			break;
	}

	return res;
}

/**
 * Copy a string with a maximum length.